Statistics Pre-test

Which one of the following survey questions would generate categorical data?

• How many times do you eat at your favourite fast-food place in a typical week?
• How much do you usually spend buying your favourite fast food?
• How many items did you buy last time you went to your favourite fast food place? 
• Which is your favourite fast food?

Which one of the following survey questions would generate numerical data?

• What is your favourite colour?
• What type of car does your family own?
• How long does it take for you to travel to school?
• What type of dog do you own?

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

The number of miles that Kiki cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Kiki cycled?

• 24
• 36
• 39
• 52

Find the mode:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.2
• 3.8
• 4.0

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?

• 193
• 127
• 60
• 66

Tags

CCSS.6.NS.B.3

What is an outlier?

• A value that is much less or much greater than the other values in a data set.
• The difference between the upper and lower quartiles of a data set.
• The mean of the distances from each data value in a set to the mean of a set.
• The difference between the greatest and least numbers in a data set.

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile

• I don't know (pick this instead of a random guess)

According to the table, what is the relative frequency of Students ages 14 - 17 who skip breakfast?

• About 27%

• About 35%

• About 15%

• About 30%

• I don't know (pick this instead of a random guess)

All of the below sets have the same mean.

Set 1-Standard Deviation=3.1

Set 2-Standard Deviation=4.9

Set 3-Standard Deviation=1.7

Set 4-Standard Deviation=3.2

Which set of data probably has the points closest to the mean?

• 1

• 2

• 3

• 4

• I don't know (pick this instead of a random guess)